Ravens quarterback Lamar Jackson missed practice Wednesday for a “rest day,” coach John Harbaugh said, but was listed on the team’s injury report with knee and back designations.

Jackson and the Ravens are preparing to play two games in a five-day span. They will face the Denver Broncos on Sunday before taking on the Cincinnati Bengals in next week’s “Thursday Night Football.”

“He’s been playing great, and we’ve got a lot of football in front of us here,” Harbaugh said of Jackson. “We’ve got game, quick game, another big game coming up, so that was warranted today.”

Jackson played every offensive snap in the Ravens’ loss Sunday to the Cleveland Browns, but he appeared to be feeling discomfort in the locker room after the game. Under the NFL’s injury report policy, teams are required to provide “credible, accurate and specific information about injured players” during the season. A violation of the policy can result in league-imposed discipline.

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Four other Ravens were missing at practice: running back Rasheen Ali (ankle), defensive linemen Travis Jones (ankle) and Brent Urban (concussion) and cornerback Arthur Maulet (neck). Defensive lineman Michael Pierce was placed on injured reserve Wednesday.

Starting cornerbacks Marlon Humphrey (knee) and Nate Wiggins (shoulder/illness) returned after missing Sunday’s loss in Cleveland. Both were limited participants, along with defensive lineman Broderick Washington (knee).

Newly acquired wide receiver Diontae Johnson made his practice debut, wearing the No. 18 jersey. Coach John Harbaugh said he could be an option at punt returner.

“It’s been a minute since I’ve been back at punt returner,” Johnson said. “Whatever they need me to do to help the team win or anywhere I can contribute, right now, that’s my main focus.”